Question

in experimental research, the primary concern of the researcher should be to do which of the following? ensure one variable goes up while another goes down. randomly assign participants to the various groups. remember correlation does not mean causation.

Explanation:

Experimental research's core goal is to establish causal relationships. Random assignment of participants to groups is the key method to control for confounding variables, ensuring that differences between groups are only due to the independent variable. The first option describes a negative correlation, which is not a primary concern of experimental design. The third option is a key principle for correlational research, not the primary action for experimental research.

Answer:

B. Randomly assign participants to the various groups.